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15-08-2018
Mathematics

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The sum of 3 consecutive odd numbers is 51. What is the second number in this sequence?

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19-08-2018

x + x + 2 + x + 4 = 51

3x + 6 = 51

3x = 45

x = 15

So second number in the sequence is 15 + 2

= 17 (answer)

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